Research and Analysis by Abraham M. Niessen

Twelfth Valuation of the Railroad Retirement System: A Summary View
from Social Security Bulletin, Vol. 36 No. 12 (released December 1973)
by Abraham M. Niessen

Coordination Between the Railroad Retirement and Social Security Systems
from Social Security Bulletin, Vol. 31 No. 9 (released September 1968)
by Abraham M. Niessen

Railroad Retirement System: Ninth Actuarial Valuation
from Social Security Bulletin, Vol. 28 No. 2 (released February 1965)
by Abraham M. Niessen

Seventh Actuarial Valuation of the Railroad Retirement System
from Social Security Bulletin, Vol. 22 No. 5 (released May 1959)
by Abraham M. Niessen